i just got a car that sounded fast (merc) and another that can be made fast with out gernading the trans (lebaron) lol and DD the GP as the sacraficial winter beater to the rock salt rust gods

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92 LeBaron Convert: Turbo 3L 97 Grand Prix GT 4dr "Frankenstein": L67 4t65 swap
97 Grand Marquis: Summer DD 99 Grand Prix GTP: Top Swap Beater

Mine makes a Wookie noise which is super cool, but the sound doesn't match the speed

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Dubs:00 VW GTI VR6, Low and Slow 91 VW GTI 8v, Shave the Bay!! 91 VW Cabriolet 8v, bitch Basket
GP's:04 GP GT, Past now G-Ma's Girlfriend's 97 GP GT, "Project Pink Power"

like the merc sounds like a cobra but it is not a cobra

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92 LeBaron Convert: Turbo 3L 97 Grand Prix GT 4dr "Frankenstein": L67 4t65 swap
97 Grand Marquis: Summer DD 99 Grand Prix GTP: Top Swap Beater

i actually had a guy at work ask me if my car was broken from when i revved the hood

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Perfect for going turbo later! haha

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Dthreap wrote:

Yeah make sure your O2 isn't behind lazy, you want nice up and down.

Planeboy18 wrote:

^^Pro tip for more than just O2 sensor signals

lol i don't think i'll ever abandon my GP unless i find a great deal on a s2k or cts/sts-v both are dream cars (and of course a 70s elcamino ss) but thats just me, let the scene die, i'll still be here makein my car a sleeper nothin better than stompin on a "fast car" with a "grocery getter" haha LONG LIVE THE PRIX!

EDIT:and i love that nasty ripping noise that sounds like your car is killing itself but its really POWA!

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BRAP BRAP BRAP nuff said

Ya gotta love you car enough to do all the mods. Pontiac Grand Prix is my favorite car right now. Id like to the engine out of a Turbo GNX an put it in my GP.

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07 GP(base)ol' whitey, Headers/3"DP, CAI, 180*stat, HV3. Im the HotRodder with the HotRod!

The L32 makes more power than the Turboed 3.8's in the GN's though

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Dubs:00 VW GTI VR6, Low and Slow 91 VW GTI 8v, Shave the Bay!! 91 VW Cabriolet 8v, bitch Basket
GP's:04 GP GT, Past now G-Ma's Girlfriend's 97 GP GT, "Project Pink Power"

at least the gn has RWD!

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2001 white gt coupe with enough crap to make it run mid 13's with 3 bad pistons
2002 40th GTP sedan mostly stock

Au contraire mon frere.

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2005 GT owner [Non S/C] with a "big DIC".
Two years later and I still love the car.
Thanks Pontiac...Bleen is keen!

Earlier GN's yes the L32 does make more power, 86 or 87+(my knowledge is pretty limited here so excuse my ignorance) I/Ced ones and GNX's no. Still, try to figure out how to mount one of those puppies into a FWD platform A RWD, turboed 3.8L from a GN(X) swapped GP would pretty pretty cool though.

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Dubs:00 VW GTI VR6, Low and Slow 91 VW GTI 8v, Shave the Bay!! 91 VW Cabriolet 8v, bitch Basket
GP's:04 GP GT, Past now G-Ma's Girlfriend's 97 GP GT, "Project Pink Power"

The hot aired cars...okay [84-85].
86 and up.......you got it.
I'd rather turbo an L32,than try to put a GNX engine in our cars.
The later engines are just so much better designed.

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2005 GT owner [Non S/C] with a "big DIC".
Two years later and I still love the car.
Thanks Pontiac...Bleen is keen!

somone should put a modded l32 in a GN!

but back on topic... i know the OP isnt getting them, but as to if it is good or not...

it was brought up that since they flow more then will hurt flow down low... this isnt always the case. if you hog out the ports yes... but if the porting is done well then you should see even more flow at low lift and low rpm on top of the additional flow up top. porting is all about making the existing parts more efficent.

and i know its a dead horse but i'll beat it anyway... if your NA unless you are getting the heads for really cheap (under 300) then its not worth the cost IMO as there are other mods that will net more for less. also the work involved in swapping heads is about the same as installing a topswap. either way you are spending $150+ in gaskets... might was well do the blower.

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Florida Tuner
96 Z34 LQ1 14.81@92.2 P&P Intake/TB,3.73's,L67 injectors, UDP, 2.5" Exhaust
L36 Swap: 3.29's,SD hdrs,Ported: Topswap, N*TB, SLP 1.8RR, 105#, Si Valves

Okay....... http://www.turbobuick.com/forums/genera ... ional.html

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2005 GT owner [Non S/C] with a "big DIC".
Two years later and I still love the car.
Thanks Pontiac...Bleen is keen!

Props to that guy. Impressive swap.

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Dubs:00 VW GTI VR6, Low and Slow 91 VW GTI 8v, Shave the Bay!! 91 VW Cabriolet 8v, bitch Basket
GP's:04 GP GT, Past now G-Ma's Girlfriend's 97 GP GT, "Project Pink Power"

yup swap is getting pretty common witht eh G-body guys just dlpa a turbo on a supercharged block

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92 LeBaron Convert: Turbo 3L 97 Grand Prix GT 4dr "Frankenstein": L67 4t65 swap
97 Grand Marquis: Summer DD 99 Grand Prix GTP: Top Swap Beater

They get into everything........ http://www.turbobuick.com/forums/engine ... tures.html

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2005 GT owner [Non S/C] with a "big DIC".
Two years later and I still love the car.
Thanks Pontiac...Bleen is keen!

Holy cow that's also really impressive.

I'm sure it said it, but I didn't notice, but what sort of engine management is that L67 swap running?

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Dubs:00 VW GTI VR6, Low and Slow 91 VW GTI 8v, Shave the Bay!! 91 VW Cabriolet 8v, bitch Basket
GP's:04 GP GT, Past now G-Ma's Girlfriend's 97 GP GT, "Project Pink Power"

I've been trying to get them into our computers,but they're using stock G/N or after market DFI.
There was talk about using the LS1 computer though.

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2005 GT owner [Non S/C] with a "big DIC".
Two years later and I still love the car.
Thanks Pontiac...Bleen is keen!

LS1 computer would be almost impissible to get to work. if they wanted a factory OBD2 it would be better just to use a PCM from a 98-02 camaro (96 and 97 are bastard computer years)

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92 LeBaron Convert: Turbo 3L 97 Grand Prix GT 4dr "Frankenstein": L67 4t65 swap
97 Grand Marquis: Summer DD 99 Grand Prix GTP: Top Swap Beater

Actually no.
The stock LS1 computer is VERY adaptable.
What you really need is the source code.

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2005 GT owner [Non S/C] with a "big DIC".
Two years later and I still love the car.
Thanks Pontiac...Bleen is keen!

witht eh tuners available there is no way to make it run only 6 cyalnders and if you do chang eit to run a 3800 file yout then loose the extra peramaters the v8s have

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92 LeBaron Convert: Turbo 3L 97 Grand Prix GT 4dr "Frankenstein": L67 4t65 swap
97 Grand Marquis: Summer DD 99 Grand Prix GTP: Top Swap Beater

To be honest,a couple of GM engineers told me differently.
The wiring will be different,but other than that...........

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2005 GT owner [Non S/C] with a "big DIC".
Two years later and I still love the car.
Thanks Pontiac...Bleen is keen!

I've seen TPI ECMs used to run TBI motors (TPI of course has 8 injectors, TBI only 2 or 4 depending on whether factory or aftermarket) so I'm sure with the right knowledge and expertise it CAN be done. This would require far more tuning knowledge than I have at the present time, so I'll be using a 3800 PCM for my build.

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98 GTP (RIP 11-5-09); 73 Z28 Camaro (350, TKO 600);01 Monte Carlo SS (L36, L67/L32 hybrid in the future)
"Death smiles at us all; all a man can do is smile back"

i said almost impossible as in average modder with out the backing of GM would be hard press to do it

-- Mon Jan 16, 2012 4:49 pm --



TPI and TBI are both batch fire and run the same PCM part number (the same PCM part number also run the older FWD obd1 V6s) to just rig up 1357 to one injector on a TBI and 2468 on the other injector. older computers where easy

issue with the LS1 computer is that after the hard wiring you still have to alster the firing order if the file code no tuner can do this besides the $5,000 GM dealer scan tool and even then you need to knwo what line code to alter

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92 LeBaron Convert: Turbo 3L 97 Grand Prix GT 4dr "Frankenstein": L67 4t65 swap
97 Grand Marquis: Summer DD 99 Grand Prix GTP: Top Swap Beater